The main buffer system of the human blood is? – McqOptions

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1.	The main buffer system of the human blood is?
A.	H2CO3 - HCO3
B.	H2CO3 - CO32-
C.	CH3COOH - CH3COO-
D.	NH2CONH2 - NH2CONH+
Answer» B. H2CO3 - CO32-

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